19. MUSCISAXICOLA. 55 



3. Muscisaxicola grisea. 

 Muscisaxicola grisea, Tacz. Orn. Per. ii. p. 213. 



Above cinereous ; lores and short supereiliaries whitish ; upper 

 tail-coverts and tail black ; outer margin of outer rectrix -white : 

 below pale cinereous, passing into white on bell}-, crissum, and 

 under wing-coverts ; bill and feet black : whole length 6-8 inches, 

 wins 5, tail 3'3. Female similar, but rather smaller. 



Hah. Central Peru. 



A species not very distinct from M. cinerea, but rather larger and 

 with the white supereiliaries better indicated. 



a, b. cJ J ad. sk. Xinabanba, Peru (Jelski). Sclater Coll. 



4. Muscisaxicola nigrifrons. 



Muscisaxicola nigrifrons, Phil, et Landb. Wiegm. Arch. 1865, i. 



p. 101 ; Scl. et Salv. Nomencl. p. 44; Scl. Ibis, 1866, pp. 58, 59; 



id. P. Z. S. 1867, pp. 326, 338 (Chili >. 

 Ptvonura frontalis, Burnt. J.f. 0. 1860, p. 248 ; id La-Plata Reise, 



ii. p. 462 (?). 



Above cinereous ; lores and supereiliaries white : whole forehead 

 black, passing into brownish on the vertex : tail-coverts and tail 

 black, outer margin of outer rectrix white : below pale cinereous, 

 passing into white on the belly, crissum. and under wing-coverts ; 

 bill and feet black: whole length 7 - 5 inches, wing 5, tail 3-1. 

 Female similar. 



Hah. Chili. 



At once recognizable by the black forehead, which becomes rather 

 brownish as it contracts and passes over the vertex. 



a, b. J $ ad. sk. Cordill. de Santiago, Chili (Land- Sclater Coll. 



beck). 



c. d jr. ; d. Ad. Chili (Leybold). Sclater Coll. 



sk.' 



e,/. cJ Jad.sk. Chili {Leybold). Salvin-Godman Coll. 



g. Ad. sk. Chili. Purchased. 



5. Muscisaxicola cinerea. 



Muscisaxicola cinerea, Ph. et Landb. Wiegm. Arch. 1865, i. p. 80 ; 



Scl. et Salv. Nomencl. p. 44 ; Scl. Ibis, 1866, pp. 57, 59 ; id. P. Z. S. 



1867, pp. 326, 338 (Chili) ; Tacz. P. Z. S. 1874, p. 533 (C. Peru); 



id. Orn. Per. ii. p. 212. 

 Muscisaxicola albimentum, Lafr. Rev. Zool. 1855, p. 61 (?). 



Above cinereous ; supereiliaries whitish, but very faintly marked ; 

 tail-coverts and tail black, the outer margin of the outer rectrix 

 white : below pale cinereous, becoming white on the belly, crissum, 

 and under wing-coverts ; bill and feet black : whole length 6"4 

 inches, wing 3*9, fail 2-4. Female similar, but not quite so bright. 



Hah. Chili and Peru. 



